Authorities have said a suspect may have used victim as a human shield during July 16 shootout.
Measure by San Francisco District Attorney George Gascón is the sixth to qualify for November ballot.
A plan to register commercial surveillance cameras is already seeing pushback from Berkeley residents.
An increasing percentage of murderers serving life sentences are being paroled.
Better-off neighborhoods resort to private security patrols, raising question about support for levy.
City officials credit a theft-awareness campaign and presence of police officers on buses and trains.
Entrapment, lack of physical evidence expected defenses in sprawling political corruption case.
Street fight preceded shooting, which has renewed calls for police to crack down on one notorious block.
Muni launches ‘Eyes Up, Phones Down,’ a campaign to make riders safer from crime on buses and trains.